Olefin polymerization processes and products thereof
US6657034B2 · kind B2 · utility
5Cited by
18References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2001 |
| Grant date | Dec 2, 2003 |
| Priority date | — |
| Expiry date | Nov 25, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F110/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A novel loop/slurry olefin polymerization process is provided which produces ultra high molecular weight ethylene homopolymers and ultra high molecular weight ethylene copolymers. Catalyst systems used are selected from the group consisting of inorganic oxide supported titanium-containing catalyst systems, inorganic oxide supported organo-zirconium catalyst systems and inorganic oxide supported organo-hafnium catalyst systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.